252940670 has 32 divisors (see below), whose sum is σ = 468309600. Its totient is φ = 98323456.

The previous prime is 252940657. The next prime is 252940679. The reversal of 252940670 is 76049252.

It is a self number, because there is not a number n which added to its sum of digits gives 252940670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252940679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50102 + ... + 54918.

It is an arithmetic number, because the mean of its divisors is an integer number (14634675).

Almost surely, 2^252940670 is an apocalyptic number.

252940670 is a deficient number, since it is larger than the sum of its proper divisors (215368930).

252940670 is a wasteful number, since it uses less digits than its factorization.

252940670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 252940670 is about 15904.1085886635. The cubic root of 252940670 is about 632.4209111273.

The spelling of 252940670 in words is "two hundred fifty-two million, nine hundred forty thousand, six hundred seventy".