1631265054 has 16 divisors (see below), whose sum is σ = 3277994880. Its totient is φ = 541177560.

The previous prime is 1631265047. The next prime is 1631265079. The reversal of 1631265054 is 4505621361.

It is a super-2 number, since 2×1631265054² = 5322051352803245832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642994 + ... + 645525.

It is an arithmetic number, because the mean of its divisors is an integer number (204874680).

Almost surely, 2^1631265054 is an apocalyptic number.

1631265054 is an abundant number, since it is smaller than the sum of its proper divisors (1646729826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631265054 is a wasteful number, since it uses less digits than its factorization.

1631265054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288735.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1631265054 is about 40388.9224169202. The cubic root of 1631265054 is about 1177.1763025827.

The spelling of 1631265054 in words is "one billion, six hundred thirty-one million, two hundred sixty-five thousand, fifty-four".