725002453 has 4 divisors (see below), whose sum is σ = 828574240. Its totient is φ = 621430668.

The previous prime is 725002387. The next prime is 725002459. The reversal of 725002453 is 354200527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354200527 = 19 ⋅18642133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725002453 is a prime.

It is a super-3 number, since 3×725002453³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725002459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51785883 + ... + 51785896.

It is an arithmetic number, because the mean of its divisors is an integer number (207143560).

Almost surely, 2^725002453 is an apocalyptic number.

It is an amenable number.

725002453 is a deficient number, since it is larger than the sum of its proper divisors (103571787).

725002453 is a wasteful number, since it uses less digits than its factorization.

725002453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103571786.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 725002453 is about 26925.8695867004. The cubic root of 725002453 is about 898.3519027450.

The spelling of 725002453 in words is "seven hundred twenty-five million, two thousand, four hundred fifty-three".