1625520934 has 8 divisors (see below), whose sum is σ = 2522360160. Its totient is φ = 784734216.

The previous prime is 1625520901. The next prime is 1625520937. The reversal of 1625520934 is 4390255261.

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

It is a junction number, because it is equal to n+sod(n) for n = 1625520893 and 1625520902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625520937) 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, 14013054 + ... + 14013169.

It is an arithmetic number, because the mean of its divisors is an integer number (315295020).

Almost surely, 2^1625520934 is an apocalyptic number.

1625520934 is a deficient number, since it is larger than the sum of its proper divisors (896839226).

1625520934 is a wasteful number, since it uses less digits than its factorization.

1625520934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28026254.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1625520934 is about 40317.7496147788. The cubic root of 1625520934 is about 1175.7929602007.

The spelling of 1625520934 in words is "one billion, six hundred twenty-five million, five hundred twenty thousand, nine hundred thirty-four".