Search a number
-
+
52497407 is a prime number
BaseRepresentation
bin1100100001000…
…0101111111111
310122210010220102
43020100233333
5101414404112
65113111315
71205135444
oct310205777
9118703812
1052497407
11276a7096
12156b853b
13ab51071
146d879cb
15491ebc2
hex3210bff

52497407 has 2 divisors, whose sum is σ = 52497408. Its totient is φ = 52497406.

The previous prime is 52497383. The next prime is 52497409. The reversal of 52497407 is 70479425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52497407 - 216 = 52431871 is a prime.

Together with 52497409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52497409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26248703 + 26248704.

It is an arithmetic number, because the mean of its divisors is an integer number (26248704).

Almost surely, 252497407 is an apocalyptic number.

52497407 is a deficient number, since it is larger than the sum of its proper divisors (1).

52497407 is an equidigital number, since it uses as much as digits as its factorization.

52497407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 52497407 is about 7245.5094368857. The cubic root of 52497407 is about 374.4374546099.

The spelling of 52497407 in words is "fifty-two million, four hundred ninety-seven thousand, four hundred seven".