42392507 has 2 divisors, whose sum is σ = 42392508. Its totient is φ = 42392506.

The previous prime is 42392501. The next prime is 42392521. The reversal of 42392507 is 70529324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42392507 - 2¹⁴ = 42376123 is a prime.

It is not a weakly prime, because it can be changed into another prime (42392501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21196253 + 21196254.

It is an arithmetic number, because the mean of its divisors is an integer number (21196254).

Almost surely, 2^42392507 is an apocalyptic number.

42392507 is a deficient number, since it is larger than the sum of its proper divisors (1).

42392507 is an equidigital number, since it uses as much as digits as its factorization.

42392507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42392507 is about 6510.9528488540. The cubic root of 42392507 is about 348.6821379330.

The spelling of 42392507 in words is "forty-two million, three hundred ninety-two thousand, five hundred seven".