Search a number
-
+
250961377 is a prime number
BaseRepresentation
bin11101111010101…
…01110111100001
3122111020011021211
432331111313201
51003221231002
640522550121
76135064552
oct1675256741
9574204254
10250961377
1111972aaa7
1270068341
133ccbb174
142548a329
1517073dd7
hexef55de1

250961377 has 2 divisors, whose sum is σ = 250961378. Its totient is φ = 250961376.

The previous prime is 250961353. The next prime is 250961411. The reversal of 250961377 is 773169052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201526416 + 49434961 = 14196^2 + 7031^2 .

It is a cyclic number.

It is not a de Polignac number, because 250961377 - 211 = 250959329 is a prime.

It is a super-2 number, since 2×2509613772 = 125963225491472258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250961317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125480688 + 125480689.

It is an arithmetic number, because the mean of its divisors is an integer number (125480689).

Almost surely, 2250961377 is an apocalyptic number.

It is an amenable number.

250961377 is a deficient number, since it is larger than the sum of its proper divisors (1).

250961377 is an equidigital number, since it uses as much as digits as its factorization.

250961377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 250961377 is about 15841.7605397885. The cubic root of 250961377 is about 630.7669981422.

The spelling of 250961377 in words is "two hundred fifty million, nine hundred sixty-one thousand, three hundred seventy-seven".