542151657 has 16 divisors (see below), whose sum is σ = 803575360. Its totient is φ = 361260000.

The previous prime is 542151647. The next prime is 542151667. The reversal of 542151657 is 756151245.

542151657 is a `hidden beast` number, since 542 + 1 + 51 + 65 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (542151647) and next prime (542151667).

It is not a de Polignac number, because 542151657 - 2²³ = 533763049 is a prime.

It is a super-3 number, since 3×542151657³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542151647) 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, 77682 + ... + 84372.

It is an arithmetic number, because the mean of its divisors is an integer number (50223460).

Almost surely, 2^542151657 is an apocalyptic number.

It is an amenable number.

542151657 is a deficient number, since it is larger than the sum of its proper divisors (261423703).

542151657 is a wasteful number, since it uses less digits than its factorization.

542151657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701 (or 9695 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 542151657 is about 23284.1503388034. The cubic root of 542151657 is about 815.4054248938.

The spelling of 542151657 in words is "five hundred forty-two million, one hundred fifty-one thousand, six hundred fifty-seven".