1625512265 has 16 divisors (see below), whose sum is σ = 2108671488. Its totient is φ = 1195801536.

The previous prime is 1625512253. The next prime is 1625512267. The reversal of 1625512265 is 5622155261.

It is a cyclic number.

It is not a de Polignac number, because 1625512265 - 2²² = 1621317961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625512267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30449 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (131791968).

Almost surely, 2^1625512265 is an apocalyptic number.

It is an amenable number.

1625512265 is a deficient number, since it is larger than the sum of its proper divisors (483159223).

1625512265 is a wasteful number, since it uses less digits than its factorization.

1625512265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95368.

The product of its digits is 36000, while the sum is 35.

The square root of 1625512265 is about 40317.6421061550. The cubic root of 1625512265 is about 1175.7908700057.

The spelling of 1625512265 in words is "one billion, six hundred twenty-five million, five hundred twelve thousand, two hundred sixty-five".