542253631 has 2 divisors, whose sum is σ = 542253632. Its totient is φ = 542253630.

The previous prime is 542253587. The next prime is 542253661. The reversal of 542253631 is 136352245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542253631 - 2¹⁵ = 542220863 is a prime.

It is a super-2 number, since 2×542253631² = 588078000665368322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542253593 and 542253602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542253661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271126815 + 271126816.

It is an arithmetic number, because the mean of its divisors is an integer number (271126816).

Almost surely, 2^542253631 is an apocalyptic number.

542253631 is a deficient number, since it is larger than the sum of its proper divisors (1).

542253631 is an equidigital number, since it uses as much as digits as its factorization.

542253631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 542253631 is about 23286.3400086832. The cubic root of 542253631 is about 815.4565452393.

The spelling of 542253631 in words is "five hundred forty-two million, two hundred fifty-three thousand, six hundred thirty-one".