252961401 has 16 divisors (see below), whose sum is σ = 420507648. Its totient is φ = 131408400.

The previous prime is 252961369. The next prime is 252961409. The reversal of 252961401 is 104169252.

It is not a de Polignac number, because 252961401 - 2⁵ = 252961369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252961409) 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, 547305 + ... + 547766.

It is an arithmetic number, because the mean of its divisors is an integer number (26281728).

Almost surely, 2^252961401 is an apocalyptic number.

252961401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

252961401 is a deficient number, since it is larger than the sum of its proper divisors (167546247).

252961401 is a wasteful number, since it uses less digits than its factorization.

252961401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095092.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 252961401 is about 15904.7603251354. The cubic root of 252961401 is about 632.4381883802.

The spelling of 252961401 in words is "two hundred fifty-two million, nine hundred sixty-one thousand, four hundred one".