157902653 has 2 divisors, whose sum is σ = 157902654. Its totient is φ = 157902652.

The previous prime is 157902649. The next prime is 157902677. The reversal of 157902653 is 356209751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150356644 + 7546009 = 12262^2 + 2747^2 .

It is an emirp because it is prime and its reverse (356209751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157902653 - 2² = 157902649 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157902683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78951326 + 78951327.

It is an arithmetic number, because the mean of its divisors is an integer number (78951327).

Almost surely, 2^157902653 is an apocalyptic number.

It is an amenable number.

157902653 is a deficient number, since it is larger than the sum of its proper divisors (1).

157902653 is an equidigital number, since it uses as much as digits as its factorization.

157902653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 157902653 is about 12565.9322376018. The cubic root of 157902653 is about 540.5009674274.

The spelling of 157902653 in words is "one hundred fifty-seven million, nine hundred two thousand, six hundred fifty-three".