2502403157 has 4 divisors (see below), whose sum is σ = 2508836460. Its totient is φ = 2495969856.

The previous prime is 2502403153. The next prime is 2502403171. The reversal of 2502403157 is 7513042052.

It is a happy number.

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 643586161 + 1858816996 = 25369^2 + 43114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502403157 - 2² = 2502403153 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 (2502403153) 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, 3216068 + ... + 3216845.

It is an arithmetic number, because the mean of its divisors is an integer number (627209115).

Almost surely, 2^2502403157 is an apocalyptic number.

It is an amenable number.

2502403157 is a deficient number, since it is larger than the sum of its proper divisors (6433303).

2502403157 is an equidigital number, since it uses as much as digits as its factorization.

2502403157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433302.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2502403157 is about 50024.0257976105. The cubic root of 2502403157 is about 1357.6435471409.

The spelling of 2502403157 in words is "two billion, five hundred two million, four hundred three thousand, one hundred fifty-seven".