157503253 has 8 divisors (see below), whose sum is σ = 158548320. Its totient is φ = 156462000.

The previous prime is 157503239. The next prime is 157503277. The reversal of 157503253 is 352305751.

157503253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157503253 - 2¹⁷ = 157372181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157503053) 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, 146803 + ... + 147871.

It is an arithmetic number, because the mean of its divisors is an integer number (19818540).

Almost surely, 2^157503253 is an apocalyptic number.

It is an amenable number.

157503253 is a deficient number, since it is larger than the sum of its proper divisors (1045067).

157503253 is a wasteful number, since it uses less digits than its factorization.

157503253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 157503253 is about 12550.0299999641. The cubic root of 157503253 is about 540.0448670996.

The spelling of 157503253 in words is "one hundred fifty-seven million, five hundred three thousand, two hundred fifty-three".