1625136054 has 16 divisors (see below), whose sum is σ = 3298784448. Its totient is φ = 533626632.

The previous prime is 1625136043. The next prime is 1625136067. The reversal of 1625136054 is 4506315261.

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, 2020912 + ... + 2021715.

It is an arithmetic number, because the mean of its divisors is an integer number (206174028).

Almost surely, 2^1625136054 is an apocalyptic number.

1625136054 is an abundant number, since it is smaller than the sum of its proper divisors (1673648394).

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

1625136054 is a wasteful number, since it uses less digits than its factorization.

1625136054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042699.

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

The square root of 1625136054 is about 40312.9762483496. The cubic root of 1625136054 is about 1175.7001540719.

The spelling of 1625136054 in words is "one billion, six hundred twenty-five million, one hundred thirty-six thousand, fifty-four".