1254013553 has 8 divisors (see below), whose sum is σ = 1373366400. Its totient is φ = 1137930768.

The previous prime is 1254013543. The next prime is 1254013609. The reversal of 1254013553 is 3553104521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1254013553 - 2⁶ = 1254013489 is a prime.

It is a super-2 number, since 2×1254013553² = 3145099982215367618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254013513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816713 + ... + 818246.

It is an arithmetic number, because the mean of its divisors is an integer number (171670800).

Almost surely, 2^1254013553 is an apocalyptic number.

1254013553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1254013553 is a deficient number, since it is larger than the sum of its proper divisors (119352847).

1254013553 is a wasteful number, since it uses less digits than its factorization.

1254013553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635031.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1254013553 is about 35412.0537811633. The cubic root of 1254013553 is about 1078.3690383006.

The spelling of 1254013553 in words is "one billion, two hundred fifty-four million, thirteen thousand, five hundred fifty-three".