655125072 has 40 divisors (see below), whose sum is σ = 1934179776. Its totient is φ = 187178496.

The previous prime is 655125067. The next prime is 655125161. The reversal of 655125072 is 270521556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974553 + ... + 975224.

Almost surely, 2^655125072 is an apocalyptic number.

It is an amenable number.

655125072 is an abundant number, since it is smaller than the sum of its proper divisors (1279054704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655125072 is a wasteful number, since it uses less digits than its factorization.

655125072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949795 (or 1949789 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 655125072 is about 25595.4111512201. The cubic root of 655125072 is about 868.5098337760.

The spelling of 655125072 in words is "six hundred fifty-five million, one hundred twenty-five thousand, seventy-two".