87401245 has 16 divisors (see below), whose sum is σ = 108564480. Its totient is φ = 67478400.

The previous prime is 87401239. The next prime is 87401261. The reversal of 87401245 is 54210478.

It is a de Polignac number, because none of the positive numbers 2^k-87401245 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87700 + ... + 88690.

It is an arithmetic number, because the mean of its divisors is an integer number (6785280).

Almost surely, 2^87401245 is an apocalyptic number.

It is an amenable number.

87401245 is a deficient number, since it is larger than the sum of its proper divisors (21163235).

87401245 is a wasteful number, since it uses less digits than its factorization.

87401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596.

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

The square root of 87401245 is about 9348.8632998884. The cubic root of 87401245 is about 443.7849190269.

The spelling of 87401245 in words is "eighty-seven million, four hundred one thousand, two hundred forty-five".