1625368497 has 8 divisors (see below), whose sum is σ = 2167635744. Its totient is φ = 1083340128.

The previous prime is 1625368441. The next prime is 1625368501. The reversal of 1625368497 is 7948635261.

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

It is not a de Polignac number, because 1625368497 - 2⁷ = 1625368369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625368427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43188 + ... + 71525.

It is an arithmetic number, because the mean of its divisors is an integer number (270954468).

Almost surely, 2^1625368497 is an apocalyptic number.

It is an amenable number.

1625368497 is a deficient number, since it is larger than the sum of its proper divisors (542267247).

1625368497 is a wasteful number, since it uses less digits than its factorization.

1625368497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119439.

The product of its digits is 2177280, while the sum is 51.

The square root of 1625368497 is about 40315.8591251631. The cubic root of 1625368497 is about 1175.7562048134.

The spelling of 1625368497 in words is "one billion, six hundred twenty-five million, three hundred sixty-eight thousand, four hundred ninety-seven".