542625157 has 2 divisors, whose sum is σ = 542625158. Its totient is φ = 542625156.

The previous prime is 542625029. The next prime is 542625163. The reversal of 542625157 is 751526245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530887681 + 11737476 = 23041^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 542625157 - 2⁷ = 542625029 is a prime.

It is a super-2 number, since 2×542625157² = 588884122018549298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542620157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271312578 + 271312579.

It is an arithmetic number, because the mean of its divisors is an integer number (271312579).

Almost surely, 2^542625157 is an apocalyptic number.

It is an amenable number.

542625157 is a deficient number, since it is larger than the sum of its proper divisors (1).

542625157 is an equidigital number, since it uses as much as digits as its factorization.

542625157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 542625157 is about 23294.3159805134. The cubic root of 542625157 is about 815.6427398695.

The spelling of 542625157 in words is "five hundred forty-two million, six hundred twenty-five thousand, one hundred fifty-seven".