2521427870 has 32 divisors (see below), whose sum is σ = 5144942880. Its totient is φ = 881988480.

The previous prime is 2521427809. The next prime is 2521427897. The reversal of 2521427870 is 787241252.

It is a super-2 number, since 2×2521427870² = 12715197007225473800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507941 + ... + 512880.

It is an arithmetic number, because the mean of its divisors is an integer number (160779465).

Almost surely, 2^2521427870 is an apocalyptic number.

2521427870 is an abundant number, since it is smaller than the sum of its proper divisors (2623515010).

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

2521427870 is a wasteful number, since it uses less digits than its factorization.

2521427870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020860.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 2521427870 is about 50213.8215036458. The cubic root of 2521427870 is about 1361.0753947418.

The spelling of 2521427870 in words is "two billion, five hundred twenty-one million, four hundred twenty-seven thousand, eight hundred seventy".