57034261 has 2 divisors, whose sum is σ = 57034262. Its totient is φ = 57034260.

The previous prime is 57034249. The next prime is 57034267. The reversal of 57034261 is 16243075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56160036 + 874225 = 7494^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 57034261 - 2¹³ = 57026069 is a prime.

It is a super-2 number, since 2×57034261² = 6505813855632242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57034267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28517130 + 28517131.

It is an arithmetic number, because the mean of its divisors is an integer number (28517131).

Almost surely, 2^57034261 is an apocalyptic number.

It is an amenable number.

57034261 is a deficient number, since it is larger than the sum of its proper divisors (1).

57034261 is an equidigital number, since it uses as much as digits as its factorization.

57034261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57034261 is about 7552.1030845719. The cubic root of 57034261 is about 384.9272049922.

The spelling of 57034261 in words is "fifty-seven million, thirty-four thousand, two hundred sixty-one".