1625525134 has 8 divisors (see below), whose sum is σ = 2451909960. Its totient is φ = 808221816.

The previous prime is 1625525129. The next prime is 1625525137. The reversal of 1625525134 is 4315255261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1625525134² = 5284663922531435912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1625525134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625525137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269929 + ... + 2270644.

It is an arithmetic number, because the mean of its divisors is an integer number (306488745).

Almost surely, 2^1625525134 is an apocalyptic number.

1625525134 is a deficient number, since it is larger than the sum of its proper divisors (826384826).

1625525134 is a wasteful number, since it uses less digits than its factorization.

1625525134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540754.

The product of its digits is 36000, while the sum is 34.

The square root of 1625525134 is about 40317.8017009856. The cubic root of 1625525134 is about 1175.7939728660.

The spelling of 1625525134 in words is "one billion, six hundred twenty-five million, five hundred twenty-five thousand, one hundred thirty-four".