1265362425 has 24 divisors (see below), whose sum is σ = 2324518880. Its totient is φ = 674859600.

The previous prime is 1265362409. The next prime is 1265362429. The reversal of 1265362425 is 5242635621.

1265362425 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 3 + 624 + 25 = 666.

It is not a de Polignac number, because 1265362425 - 2⁴ = 1265362409 is a prime.

It is a super-2 number, since 2×1265362425² = 3202284133203761250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1265362425.

It is not an unprimeable number, because it can be changed into a prime (1265362429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936631 + ... + 937980.

Almost surely, 2^1265362425 is an apocalyptic number.

1265362425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1265362425 is a deficient number, since it is larger than the sum of its proper divisors (1059156455).

1265362425 is a wasteful number, since it uses less digits than its factorization.

1265362425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874630 (or 1874619 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1265362425 is about 35571.9331074374. The cubic root of 1265362425 is about 1081.6123678791.

It can be divided in two parts, 12653 and 62425, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 1265362425 in words is "one billion, two hundred sixty-five million, three hundred sixty-two thousand, four hundred twenty-five".