70258253 has 4 divisors (see below), whose sum is σ = 75662748. Its totient is φ = 64853760.

The previous prime is 70258217. The next prime is 70258267. The reversal of 70258253 is 35285207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5004169 + 65254084 = 2237^2 + 8078^2 .

It is a cyclic number.

It is not a de Polignac number, because 70258253 - 2¹⁴ = 70241869 is a prime.

It is a super-2 number, since 2×70258253² = 9872444229224018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70258273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702228 + ... + 2702253.

It is an arithmetic number, because the mean of its divisors is an integer number (18915687).

Almost surely, 2^70258253 is an apocalyptic number.

It is an amenable number.

70258253 is a deficient number, since it is larger than the sum of its proper divisors (5404495).

70258253 is a wasteful number, since it uses less digits than its factorization.

70258253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404494.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 70258253 is about 8382.0196253648. The cubic root of 70258253 is about 412.6347338264.

The spelling of 70258253 in words is "seventy million, two hundred fifty-eight thousand, two hundred fifty-three".