102494537 has 2 divisors, whose sum is σ = 102494538. Its totient is φ = 102494536.

The previous prime is 102494489. The next prime is 102494549. The reversal of 102494537 is 735494201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 3671056 = 9941^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 102494537 - 2⁶ = 102494473 is a prime.

It is a super-2 number, since 2×102494537² = 21010260229688738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102494497 and 102494506.

It is not a weakly prime, because it can be changed into another prime (102494597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51247268 + 51247269.

It is an arithmetic number, because the mean of its divisors is an integer number (51247269).

Almost surely, 2^102494537 is an apocalyptic number.

It is an amenable number.

102494537 is a deficient number, since it is larger than the sum of its proper divisors (1).

102494537 is an equidigital number, since it uses as much as digits as its factorization.

102494537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 102494537 is about 10123.9585637240. The cubic root of 102494537 is about 467.9867666772.

The spelling of 102494537 in words is "one hundred two million, four hundred ninety-four thousand, five hundred thirty-seven".