253015253402 has 8 divisors (see below), whose sum is σ = 379529500212. Its totient is φ = 126505420000.

The previous prime is 253015253363. The next prime is 253015253411. The reversal of 253015253402 is 204352510352.

253015253402 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164609529841 + 88405723561 = 405721^2 + 297331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956099 + ... + 1191702.

Almost surely, 2^253015253402 is an apocalyptic number.

253015253402 is a deficient number, since it is larger than the sum of its proper divisors (126514246810).

253015253402 is a wasteful number, since it uses less digits than its factorization.

253015253402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206704.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 253015253402 its reverse (204352510352), we get a palindrome (457367763754).

The spelling of 253015253402 in words is "two hundred fifty-three billion, fifteen million, two hundred fifty-three thousand, four hundred two".