97516530 has 24 divisors (see below), whose sum is σ = 253543212. Its totient is φ = 26004384.

The previous prime is 97516519. The next prime is 97516537. The reversal of 97516530 is 3561579.

It is a happy number.

97516530 is a `hidden beast` number, since 97 + 516 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97476129 + 40401 = 9873^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (97516537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541669 + ... + 541848.

Almost surely, 2^97516530 is an apocalyptic number.

97516530 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97516530 is an abundant number, since it is smaller than the sum of its proper divisors (156026682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97516530 is a wasteful number, since it uses less digits than its factorization.

97516530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083530 (or 1083527 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 97516530 is about 9875.0458226785. The cubic root of 97516530 is about 460.2842131453.

The spelling of 97516530 in words is "ninety-seven million, five hundred sixteen thousand, five hundred thirty".