537431157 has 24 divisors (see below), whose sum is σ = 813740928. Its totient is φ = 341409600.

The previous prime is 537431143. The next prime is 537431227. The reversal of 537431157 is 751134735.

537431157 is a `hidden beast` number, since 537 + 4 + 3 + 115 + 7 = 666.

It is not a de Polignac number, because 537431157 - 2⁷ = 537431029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537431117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069 + ... + 32802.

It is an arithmetic number, because the mean of its divisors is an integer number (33905872).

Almost surely, 2^537431157 is an apocalyptic number.

It is an amenable number.

537431157 is a deficient number, since it is larger than the sum of its proper divisors (276309771).

537431157 is a wasteful number, since it uses less digits than its factorization.

537431157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33961 (or 33958 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 537431157 is about 23182.5614848748. The cubic root of 537431157 is about 813.0319518313.

The spelling of 537431157 in words is "five hundred thirty-seven million, four hundred thirty-one thousand, one hundred fifty-seven".