153403425 has 72 divisors (see below), whose sum is σ = 316390464. Its totient is φ = 69598080.

The previous prime is 153403423. The next prime is 153403433. The reversal of 153403425 is 524304351.

It is not a de Polignac number, because 153403425 - 2¹ = 153403423 is a prime.

It is a super-2 number, since 2×153403425² = 47065221603461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153403423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 272194 + ... + 272756.

It is an arithmetic number, because the mean of its divisors is an integer number (4394312).

Almost surely, 2^153403425 is an apocalyptic number.

153403425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153403425 is an abundant number, since it is smaller than the sum of its proper divisors (162987039).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153403425 is a wasteful number, since it uses less digits than its factorization.

153403425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 153403425 is about 12385.6136303374. The cubic root of 153403425 is about 535.3178011085.

Adding to 153403425 its reverse (524304351), we get a palindrome (677707776).

The spelling of 153403425 in words is "one hundred fifty-three million, four hundred three thousand, four hundred twenty-five".