249087802 has 4 divisors (see below), whose sum is σ = 373631706. Its totient is φ = 124543900.

The previous prime is 249087799. The next prime is 249087823. The reversal of 249087802 is 208780942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208780942 = 2 ⋅104390471.

It can be written as a sum of positive squares in only one way, i.e., 176650681 + 72437121 = 13291^2 + 8511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62271949 + ... + 62271952.

Almost surely, 2^249087802 is an apocalyptic number.

249087802 is a deficient number, since it is larger than the sum of its proper divisors (124543904).

249087802 is a wasteful number, since it uses less digits than its factorization.

249087802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124543903.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 249087802 is about 15782.5157056789. The cubic root of 249087802 is about 629.1933928464.

The spelling of 249087802 in words is "two hundred forty-nine million, eighty-seven thousand, eight hundred two".