287012425 has 12 divisors (see below), whose sum is σ = 406737856. Its totient is φ = 196808400.

The previous prime is 287012419. The next prime is 287012501. The reversal of 287012425 is 524210782.

It is a happy number.

It is not a de Polignac number, because 287012425 - 2⁵ = 287012393 is a prime.

It is a super-2 number, since 2×287012425² = 164752264208761250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819861 + ... + 820210.

Almost surely, 2^287012425 is an apocalyptic number.

287012425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

287012425 is a deficient number, since it is larger than the sum of its proper divisors (119725431).

287012425 is a wasteful number, since it uses less digits than its factorization.

287012425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640088 (or 1640083 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 287012425 is about 16941.4410544086. The cubic root of 287012425 is about 659.6297471826.

The spelling of 287012425 in words is "two hundred eighty-seven million, twelve thousand, four hundred twenty-five".