672430525 has 12 divisors (see below), whose sum is σ = 897953812. Its totient is φ = 496563840.

The previous prime is 672430513. The next prime is 672430531. The reversal of 672430525 is 525034276.

672430525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 186404409 + 486026116 = 13653^2 + 22046^2 .

It is not a de Polignac number, because 672430525 - 2¹⁵ = 672397757 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 1034184 + ... + 1034833.

Almost surely, 2^672430525 is an apocalyptic number.

672430525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

672430525 is a deficient number, since it is larger than the sum of its proper divisors (225523287).

672430525 is a wasteful number, since it uses less digits than its factorization.

672430525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069040 (or 2069035 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 672430525 is about 25931.2653952714. The cubic root of 672430525 is about 876.0908408711.

It can be divided in two parts, 6724 and 30525, that added together give a square (37249 = 193²).

The spelling of 672430525 in words is "six hundred seventy-two million, four hundred thirty thousand, five hundred twenty-five".