802291251 has 8 divisors (see below), whose sum is σ = 1132646544. Its totient is φ = 503398400.

The previous prime is 802291241. The next prime is 802291261. The reversal of 802291251 is 152192208.

It is an interprime number because it is at equal distance from previous prime (802291241) and next prime (802291261).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 802291251 - 2⁵ = 802291219 is a prime.

It is a super-2 number, since 2×802291251² = 1287342502862290002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (802291241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865550 + ... + 7865651.

It is an arithmetic number, because the mean of its divisors is an integer number (141580818).

Almost surely, 2^802291251 is an apocalyptic number.

802291251 is a deficient number, since it is larger than the sum of its proper divisors (330355293).

802291251 is a wasteful number, since it uses less digits than its factorization.

802291251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15731221.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 802291251 is about 28324.7462654125. The cubic root of 802291251 is about 929.2031757252.

The spelling of 802291251 in words is "eight hundred two million, two hundred ninety-one thousand, two hundred fifty-one".