27157401 has 6 divisors (see below), whose sum is σ = 39227370. Its totient is φ = 18104928.

The previous prime is 27157397. The next prime is 27157409. The reversal of 27157401 is 10475172.

It can be written as a sum of positive squares in only one way, i.e., 22810176 + 4347225 = 4776^2 + 2085^2 .

It is not a de Polignac number, because 27157401 - 2² = 27157397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27157409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1508736 + ... + 1508753.

It is an arithmetic number, because the mean of its divisors is an integer number (6537895).

Almost surely, 2^27157401 is an apocalyptic number.

It is an amenable number.

27157401 is a deficient number, since it is larger than the sum of its proper divisors (12069969).

27157401 is a wasteful number, since it uses less digits than its factorization.

27157401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017495 (or 3017492 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 27157401 is about 5211.2763311880. The cubic root of 27157401 is about 300.5818374876.

The spelling of 27157401 in words is "twenty-seven million, one hundred fifty-seven thousand, four hundred one".