1623102725 has 12 divisors (see below), whose sum is σ = 2059454496. Its totient is φ = 1268284080.

The previous prime is 1623102713. The next prime is 1623102757. The reversal of 1623102725 is 5272013261.

It is a happy number.

It is not a de Polignac number, because 1623102725 - 2²⁴ = 1606325509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753857 + ... + 756006.

It is an arithmetic number, because the mean of its divisors is an integer number (171621208).

Almost surely, 2^1623102725 is an apocalyptic number.

It is an amenable number.

1623102725 is a deficient number, since it is larger than the sum of its proper divisors (436351771).

1623102725 is a wasteful number, since it uses less digits than its factorization.

1623102725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509916 (or 1509911 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1623102725 is about 40287.7490684203. The cubic root of 1623102725 is about 1175.2096140297.

Adding to 1623102725 its reverse (5272013261), we get a palindrome (6895115986).

The spelling of 1623102725 in words is "one billion, six hundred twenty-three million, one hundred two thousand, seven hundred twenty-five".