1325850624 has 252 divisors, whose sum is σ = 4467447504. Its totient is φ = 377782272.

The previous prime is 1325850619. The next prime is 1325850649. The reversal of 1325850624 is 4260585231.

1325850624 is a `hidden beast` number, since 1 + 3 + 25 + 8 + 5 + 0 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a super-2 number, since 2×1325850624² = 3515759754322378752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3612489 + ... + 3612855.

Almost surely, 2^1325850624 is an apocalyptic number.

1325850624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325850624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233723752).

1325850624 is an abundant number, since it is smaller than the sum of its proper divisors (3141596880).

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

1325850624 is an equidigital number, since it uses as much as digits as its factorization.

1325850624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1325850624 is about 36412.2317909793. The cubic root of 1325850624 is about 1098.5796057991.

The spelling of 1325850624 in words is "one billion, three hundred twenty-five million, eight hundred fifty thousand, six hundred twenty-four".