102537049 has 2 divisors, whose sum is σ = 102537050. Its totient is φ = 102537048.

The previous prime is 102537037. The next prime is 102537067. The reversal of 102537049 is 940735201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97871449 + 4665600 = 9893^2 + 2160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102537049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102537049.

It is not a weakly prime, because it can be changed into another prime (102537949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51268524 + 51268525.

It is an arithmetic number, because the mean of its divisors is an integer number (51268525).

Almost surely, 2^102537049 is an apocalyptic number.

It is an amenable number.

102537049 is a deficient number, since it is larger than the sum of its proper divisors (1).

102537049 is an equidigital number, since it uses as much as digits as its factorization.

102537049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 102537049 is about 10126.0579200398. The cubic root of 102537049 is about 468.0514605428.

The spelling of 102537049 in words is "one hundred two million, five hundred thirty-seven thousand, forty-nine".