30013497 has 10 divisors (see below), whose sum is σ = 44835098. Its totient is φ = 20008944.

The previous prime is 30013493. The next prime is 30013499. The reversal of 30013497 is 79431003.

It can be written as a sum of positive squares in only one way, i.e., 25765776 + 4247721 = 5076^2 + 2061^2 .

It is not a de Polignac number, because 30013497 - 2² = 30013493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30013497.

It is not an unprimeable number, because it can be changed into a prime (30013493) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 185188 + ... + 185349.

Almost surely, 2^30013497 is an apocalyptic number.

It is an amenable number.

30013497 is a deficient number, since it is larger than the sum of its proper divisors (14821601).

30013497 is an equidigital number, since it uses as much as digits as its factorization.

30013497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370549 (or 370540 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30013497 is about 5478.4575383953. The cubic root of 30013497 is about 310.7698417391.

The spelling of 30013497 in words is "thirty million, thirteen thousand, four hundred ninety-seven".