15673425 has 24 divisors (see below), whose sum is σ = 26409024. Its totient is φ = 8199360.

The previous prime is 15673421. The next prime is 15673433. The reversal of 15673425 is 52437651.

15673425 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15673425 - 2² = 15673421 is a prime.

It is a super-3 number, since 3×15673425³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15673421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2004 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (1100376).

Almost surely, 2^15673425 is an apocalyptic number.

15673425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15673425 is a deficient number, since it is larger than the sum of its proper divisors (10735599).

15673425 is a wasteful number, since it uses less digits than its factorization.

15673425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 4004 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 15673425 is about 3958.9676684712. The cubic root of 15673425 is about 250.2580003184.

The spelling of 15673425 in words is "fifteen million, six hundred seventy-three thousand, four hundred twenty-five".