725852386545 has 128 divisors (see below), whose sum is σ = 1458450137088. Its totient is φ = 303153100800.

The previous prime is 725852386541. The next prime is 725852386549. The reversal of 725852386545 is 545683258527.

It is an interprime number because it is at equal distance from previous prime (725852386541) and next prime (725852386549).

It is not a de Polignac number, because 725852386545 - 2² = 725852386541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725852386541) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1843312 + ... + 2202158.

It is an arithmetic number, because the mean of its divisors is an integer number (11394141696).

Almost surely, 2^725852386545 is an apocalyptic number.

It is an amenable number.

725852386545 is an abundant number, since it is smaller than the sum of its proper divisors (732597750543).

725852386545 is a wasteful number, since it uses less digits than its factorization.

725852386545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358943.

The product of its digits is 80640000, while the sum is 60.

The spelling of 725852386545 in words is "seven hundred twenty-five billion, eight hundred fifty-two million, three hundred eighty-six thousand, five hundred forty-five".