1264526351 has 12 divisors (see below), whose sum is σ = 1471697136. Its totient is φ = 1081945920.

The previous prime is 1264526339. The next prime is 1264526357. The reversal of 1264526351 is 1536254621.

It is not a de Polignac number, because 1264526351 - 2⁶ = 1264526287 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264526357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305315 + ... + 309428.

It is an arithmetic number, because the mean of its divisors is an integer number (122641428).

Almost surely, 2^1264526351 is an apocalyptic number.

1264526351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1264526351 is a deficient number, since it is larger than the sum of its proper divisors (207170785).

1264526351 is a wasteful number, since it uses less digits than its factorization.

1264526351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614782 (or 614771 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 1264526351 is about 35560.1792880745. The cubic root of 1264526351 is about 1081.3740943208.

The spelling of 1264526351 in words is "one billion, two hundred sixty-four million, five hundred twenty-six thousand, three hundred fifty-one".