672453025 has 6 divisors (see below), whose sum is σ = 833841782. Its totient is φ = 537962400.

The previous prime is 672453011. The next prime is 672453053. The reversal of 672453025 is 520354276.

It can be written as a sum of positive squares in 3 ways, for example, as 21233664 + 651219361 = 4608^2 + 25519^2 .

It is not a de Polignac number, because 672453025 - 2⁵ = 672452993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13449036 + ... + 13449085.

Almost surely, 2^672453025 is an apocalyptic number.

It is an amenable number.

672453025 is a deficient number, since it is larger than the sum of its proper divisors (161388757).

672453025 is a wasteful number, since it uses less digits than its factorization.

672453025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26898131 (or 26898126 counting only the distinct ones).

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

The square root of 672453025 is about 25931.6992308641. The cubic root of 672453025 is about 876.1006123014.

The spelling of 672453025 in words is "six hundred seventy-two million, four hundred fifty-three thousand, twenty-five".