100539497 has 2 divisors, whose sum is σ = 100539498. Its totient is φ = 100539496.

The previous prime is 100539493. The next prime is 100539521. The reversal of 100539497 is 794935001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95628841 + 4910656 = 9779^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 100539497 - 2² = 100539493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100539497.

It is not a weakly prime, because it can be changed into another prime (100539493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50269748 + 50269749.

It is an arithmetic number, because the mean of its divisors is an integer number (50269749).

Almost surely, 2^100539497 is an apocalyptic number.

It is an amenable number.

100539497 is a deficient number, since it is larger than the sum of its proper divisors (1).

100539497 is an equidigital number, since it uses as much as digits as its factorization.

100539497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 100539497 is about 10026.9385656839. The cubic root of 100539497 is about 464.9920945201.

The spelling of 100539497 in words is "one hundred million, five hundred thirty-nine thousand, four hundred ninety-seven".