253415402204537 has 2 divisors, whose sum is σ = 253415402204538. Its totient is φ = 253415402204536.

The previous prime is 253415402204491. The next prime is 253415402204557. The reversal of 253415402204537 is 735402204514352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172938911589376 + 80476490615161 = 13150624^2 + 8970869^2 .

It is a cyclic number.

It is not a de Polignac number, because 253415402204537 - 2⁸ = 253415402204281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253415402204491 and 253415402204500.

It is not a weakly prime, because it can be changed into another prime (253415402204557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126707701102268 + 126707701102269.

It is an arithmetic number, because the mean of its divisors is an integer number (126707701102269).

Almost surely, 2^{253415402204537} is an apocalyptic number.

It is an amenable number.

253415402204537 is a deficient number, since it is larger than the sum of its proper divisors (1).

253415402204537 is an equidigital number, since it uses as much as digits as its factorization.

253415402204537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 47.

Adding to 253415402204537 its reverse (735402204514352), we get a palindrome (988817606718889).

The spelling of 253415402204537 in words is "two hundred fifty-three trillion, four hundred fifteen billion, four hundred two million, two hundred four thousand, five hundred thirty-seven".