870807253 has 2 divisors, whose sum is σ = 870807254. Its totient is φ = 870807252.

The previous prime is 870807229. The next prime is 870807277. The reversal of 870807253 is 352708078.

It is a balanced prime because it is at equal distance from previous prime (870807229) and next prime (870807277).

It can be written as a sum of positive squares in only one way, i.e., 827022564 + 43784689 = 28758^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 870807253 - 2¹⁷ = 870676181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870807653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435403626 + 435403627.

It is an arithmetic number, because the mean of its divisors is an integer number (435403627).

Almost surely, 2^870807253 is an apocalyptic number.

It is an amenable number.

870807253 is a deficient number, since it is larger than the sum of its proper divisors (1).

870807253 is an equidigital number, since it uses as much as digits as its factorization.

870807253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 870807253 is about 29509.4434545960. The cubic root of 870807253 is about 954.9354425810.

The spelling of 870807253 in words is "eight hundred seventy million, eight hundred seven thousand, two hundred fifty-three".