1252733590 has 16 divisors (see below), whose sum is σ = 2332676880. Its totient is φ = 483814240.

The previous prime is 1252733567. The next prime is 1252733659. The reversal of 1252733590 is 953372521.

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, 2159596 + ... + 2160175.

It is an arithmetic number, because the mean of its divisors is an integer number (145792305).

Almost surely, 2^1252733590 is an apocalyptic number.

1252733590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252733590 is a deficient number, since it is larger than the sum of its proper divisors (1079943290).

1252733590 is a wasteful number, since it uses less digits than its factorization.

1252733590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319807.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 1252733590 is about 35393.9767474637. The cubic root of 1252733590 is about 1078.0020187832.

The spelling of 1252733590 in words is "one billion, two hundred fifty-two million, seven hundred thirty-three thousand, five hundred ninety".