725101503 has 32 divisors (see below), whose sum is σ = 1164810240. Its totient is φ = 391949280.

The previous prime is 725101499. The next prime is 725101567. The reversal of 725101503 is 305101527.

It is not a de Polignac number, because 725101503 - 2² = 725101499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725101583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472848 + ... + 474378.

It is an arithmetic number, because the mean of its divisors is an integer number (36400320).

Almost surely, 2^725101503 is an apocalyptic number.

725101503 is a deficient number, since it is larger than the sum of its proper divisors (439708737).

725101503 is a wasteful number, since it uses less digits than its factorization.

725101503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 725101503 is about 26927.7088330961. The cubic root of 725101503 is about 898.3928118958.

Adding to 725101503 its sum of digits (24), we get a palindrome (725101527).

The spelling of 725101503 in words is "seven hundred twenty-five million, one hundred one thousand, five hundred three".