1252653446 has 16 divisors (see below), whose sum is σ = 2050643088. Its totient is φ = 569152800.

The previous prime is 1252653433. The next prime is 1252653461. The reversal of 1252653446 is 6443562521.

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, 49916 + ... + 70688.

It is an arithmetic number, because the mean of its divisors is an integer number (128165193).

Almost surely, 2^1252653446 is an apocalyptic number.

1252653446 is a deficient number, since it is larger than the sum of its proper divisors (797989642).

1252653446 is a wasteful number, since it uses less digits than its factorization.

1252653446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23527.

The product of its digits is 172800, while the sum is 38.

The square root of 1252653446 is about 35392.8445593174. The cubic root of 1252653446 is about 1077.9790297941.

The spelling of 1252653446 in words is "one billion, two hundred fifty-two million, six hundred fifty-three thousand, four hundred forty-six".