1253113501 has 2 divisors, whose sum is σ = 1253113502. Its totient is φ = 1253113500.

The previous prime is 1253113457. The next prime is 1253113507. The reversal of 1253113501 is 1053113521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1086032025 + 167081476 = 32955^2 + 12926^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253113501 - 2⁹ = 1253112989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253113507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626556750 + 626556751.

It is an arithmetic number, because the mean of its divisors is an integer number (626556751).

Almost surely, 2^1253113501 is an apocalyptic number.

It is an amenable number.

1253113501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253113501 is an equidigital number, since it uses as much as digits as its factorization.

1253113501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1253113501 is about 35399.3432283708. The cubic root of 1253113501 is about 1078.1109814109.

The spelling of 1253113501 in words is "one billion, two hundred fifty-three million, one hundred thirteen thousand, five hundred one".