253940707 has 2 divisors, whose sum is σ = 253940708. Its totient is φ = 253940706.

The previous prime is 253940699. The next prime is 253940737. The reversal of 253940707 is 707049352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253940707 - 2³ = 253940699 is a prime.

It is not a weakly prime, because it can be changed into another prime (253940737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126970353 + 126970354.

It is an arithmetic number, because the mean of its divisors is an integer number (126970354).

Almost surely, 2^253940707 is an apocalyptic number.

253940707 is a deficient number, since it is larger than the sum of its proper divisors (1).

253940707 is an equidigital number, since it uses as much as digits as its factorization.

253940707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 253940707 is about 15935.5171550847. The cubic root of 253940707 is about 633.2532705503.

The spelling of 253940707 in words is "two hundred fifty-three million, nine hundred forty thousand, seven hundred seven".