1252661356153 has 2 divisors, whose sum is σ = 1252661356154. Its totient is φ = 1252661356152.

The previous prime is 1252661356127. The next prime is 1252661356259. The reversal of 1252661356153 is 3516531662521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1233514545769 + 19146810384 = 1110637^2 + 138372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252661356153 - 2⁹ = 1252661355641 is a prime.

It is a super-2 number, since 2×1252661356153² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1252661356853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626330678076 + 626330678077.

It is an arithmetic number, because the mean of its divisors is an integer number (626330678077).

Almost surely, 2^{1252661356153} is an apocalyptic number.

It is an amenable number.

1252661356153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252661356153 is an equidigital number, since it uses as much as digits as its factorization.

1252661356153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 46.

The spelling of 1252661356153 in words is "one trillion, two hundred fifty-two billion, six hundred sixty-one million, three hundred fifty-six thousand, one hundred fifty-three".