70253553 has 4 divisors (see below), whose sum is σ = 93671408. Its totient is φ = 46835700.

The previous prime is 70253531. The next prime is 70253563. The reversal of 70253553 is 35535207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70253553 - 2¹³ = 70245361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70253553.

It is not an unprimeable number, because it can be changed into a prime (70253563) 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, 11708923 + ... + 11708928.

It is an arithmetic number, because the mean of its divisors is an integer number (23417852).

Almost surely, 2^70253553 is an apocalyptic number.

It is an amenable number.

70253553 is a deficient number, since it is larger than the sum of its proper divisors (23417855).

70253553 is a wasteful number, since it uses less digits than its factorization.

70253553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417854.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 70253553 is about 8381.7392586503. The cubic root of 70253553 is about 412.6255324092.

The spelling of 70253553 in words is "seventy million, two hundred fifty-three thousand, five hundred fifty-three".