Search a number
-
+
61162373 is a prime number
BaseRepresentation
bin1110100101010…
…0001110000101
311021002101000002
43221110032011
5111124143443
610022531045
71341604646
oct351241605
9137071002
1061162373
1131585218
1218596a85
13c89606c
1481a16cd
1555822b8
hex3a54385

61162373 has 2 divisors, whose sum is σ = 61162374. Its totient is φ = 61162372.

The previous prime is 61162337. The next prime is 61162403. The reversal of 61162373 is 37326116.

Together with previous prime (61162337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 6061444 = 7423^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 61162373 - 28 = 61162117 is a prime.

It is a super-2 number, since 2×611623732 = 7481671741982258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61162973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581186 + 30581187.

It is an arithmetic number, because the mean of its divisors is an integer number (30581187).

Almost surely, 261162373 is an apocalyptic number.

It is an amenable number.

61162373 is a deficient number, since it is larger than the sum of its proper divisors (1).

61162373 is an equidigital number, since it uses as much as digits as its factorization.

61162373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 61162373 is about 7820.6376338506. The cubic root of 61162373 is about 393.9986880147.

Adding to 61162373 its reverse (37326116), we get a palindrome (98488489).

The spelling of 61162373 in words is "sixty-one million, one hundred sixty-two thousand, three hundred seventy-three".