37252081 has 8 divisors (see below), whose sum is σ = 38543400. Its totient is φ = 35975808.

The previous prime is 37252073. The next prime is 37252087. The reversal of 37252081 is 18025273.

It can be written as a sum of positive squares in 4 ways, for example, as 17715681 + 19536400 = 4209^2 + 4420^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 37252081 - 2³ = 37252073 is a prime.

It is a super-2 number, since 2×37252081² = 2775435077661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37252087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (4817925).

Almost surely, 2^37252081 is an apocalyptic number.

It is an amenable number.

37252081 is a deficient number, since it is larger than the sum of its proper divisors (1291319).

37252081 is a wasteful number, since it uses less digits than its factorization.

37252081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 37252081 is about 6103.4482876485. The cubic root of 37252081 is about 333.9772206487.

The spelling of 37252081 in words is "thirty-seven million, two hundred fifty-two thousand, eighty-one".