1252630506 has 32 divisors (see below), whose sum is σ = 2598678720. Its totient is φ = 402240384.

The previous prime is 1252630453. The next prime is 1252630513. The reversal of 1252630506 is 6050362521.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14421 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (81208710).

Almost surely, 2^1252630506 is an apocalyptic number.

1252630506 is an abundant number, since it is smaller than the sum of its proper divisors (1346048214).

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

1252630506 is a wasteful number, since it uses less digits than its factorization.

1252630506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66630.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1252630506 is about 35392.5204810282. The cubic root of 1252630506 is about 1077.9724493655.

The spelling of 1252630506 in words is "one billion, two hundred fifty-two million, six hundred thirty thousand, five hundred six".